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Main Street USD (msUSD) Stablecoin Collapses 90% After Verification Partner Cuts Ties
StablecoinsBearish2 min readJune 20, 2026BeInCrypto

Main Street USD (msUSD) Stablecoin Collapses 90% After Verification Partner Cuts Ties

Main Street USD (msUSD) cratered 90% after its verification provider, Accountable, terminated their agreement. This sudden loss of trust wiped out billions in market cap, highlighting the fragility of stablecoins reliant on single points of verification.

Main Street USD (msUSD) is toast. The stablecoin, which had been trading near $1 for months, got absolutely hammered this weekend. Verification provider Accountable pulled the plug, citing Main Street's failure to meet their standards, and the token instantly lost most of its value. It's now trading around $0.29, a brutal 71% drop in 24 hours, with its market cap evaporating. This isn't just a minor wobble; it's a full-blown collapse.

Accountable's real-time proof-of-reserves checks were the backbone of msUSD's perceived stability. When that feed went dark, so did confidence. Main Street's entire pitch was built on this external validation, and now that it's gone, the market is rightly punishing the token. The yield-bearing msY token, which relied on options box spreads, also took a massive hit, plummeting 70% and causing extreme illiquidity on lending markets like Morpho.

This depeg is a stark reminder of how quickly faith can evaporate in the crypto space. A protocol built on a single verification feed is only as strong as its weakest link. The market is now waiting to see if Main Street can somehow prove its backing, but the damage is done. Expect contagion fears to ripple through other yield-bearing stablecoins.

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